Transmission electron micrograph of a cross section through the nucleolus from a Chinese hamster spermatogonium revealing a complex distribution of regions of varying granular textures.

Cells of the unicellular photosynthetic alga Chlamydomonas reinhardtii were fixed, sectioned, and examined by transmission electron microscopy. In this section of a wild-type cell grown mixotropically...

Cells of the unicellular photosynthetic alga Chlamydomonas reinhardtii were fixed, sectioned, and examined by transmission electron microscopy. In this section of the ac-5 mutant grown mixotropically,...

Transmission electron micrograph of glutaraldehyde fixed pancreatic acinar cell showing the characteristic features of nuclear chromatin with this preparative method. Darkly staining heterochromatin (...

Transmission electron micrographs showing chromosomes in dividing spermatogonia during metaphase in tissue from ram testis (upper panel) and as they begin to separate during early anaphase in tissue f...

Transmission electron micrographs showing annulate lamellae from a frog oocyte. Annulate lamellae consist of stacked sheets of membrane containing closely packed structures resembling nuclear pores a...

Transmission electron micrograph of stacked annulate lamellae from the oocyte of the sea urchin Arbacia. Annulate lamellae consist of sheets of membrane containing closely packed structures resemblin...

Transmission electron micrograph showing the characteristic features of the synaptonemal complex in a thin section of a Drosophila oocyte.

Cells of the unicellular photosynthetic alga Chlamydomonas reinhardtii were fixed, sectioned, and examined by transmission electron microscopy. In this section of the ac-31 mutant grown mixotropically...

Isolated chloroplast membranes of the unicellular photosynthetic alga Chlamydomonas reinhardtii were fixed, sectioned, and examined by transmission electron microscopy. Under the isolation conditions ...